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  <title>获取默认属性</title>
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  <div id="layout-content"><div id="reflectionclass.getdefaultproperties" class="refentry">
 <div class="refnamediv">
  <h1 class="refname">ReflectionClass::getDefaultProperties</h1>
  <p class="verinfo">(PHP 5, PHP 7, PHP 8)</p><p class="refpurpose"><span class="refname">ReflectionClass::getDefaultProperties</span> &mdash; <span class="dc-title">获取默认属性</span></p>

 </div>

 <div class="refsect1 description" id="refsect1-reflectionclass.getdefaultproperties-description">
  <h3 class="title">说明</h3>
  <div class="methodsynopsis dc-description">
   <span class="modifier">public</span> <span class="methodname"><strong>ReflectionClass::getDefaultProperties</strong></span>(): <span class="type">array</span></div>

  <p class="para rdfs-comment">
   获取类的默认属性（包括了继承的属性）。
  </p>  
  <blockquote class="note"><p><strong class="note">注意</strong>: 
   <p class="para">
    当在内部类中使用时，此方法仅用于静态属性，当在用户定义类中使用此方法时，无法追踪静态类属性的默认值。
   </p>
  </p></blockquote>
 </div>


 <div class="refsect1 parameters" id="refsect1-reflectionclass.getdefaultproperties-parameters">
  <h3 class="title">参数</h3>
  <p class="para">此函数没有参数。</p>
 </div>


 <div class="refsect1 returnvalues" id="refsect1-reflectionclass.getdefaultproperties-returnvalues">
  <h3 class="title">返回值</h3>
  <p class="para">
   默认属性的 <span class="type">array</span>，其键是属性的名称，其值是属性的默认值或者
   <strong><code>null</code></strong>（如果没有默认值）。这个函数不区分静态和非静态属性，也不考虑可见性修饰符。 
  </p>
 </div>


 <div class="refsect1 examples" id="refsect1-reflectionclass.getdefaultproperties-examples">
  <h3 class="title">范例</h3>
  <p class="para">
   <div class="example" id="example-5155">
    <p><strong>示例 #1 <span class="methodname"><strong>ReflectionClass::getDefaultProperties()</strong></span> 例子</strong></p>
    <div class="example-contents">
<div class="phpcode"><code><span style="color: #000000">
<span style="color: #0000BB">&lt;?php<br /></span><span style="color: #007700">class&nbsp;</span><span style="color: #0000BB">Bar&nbsp;</span><span style="color: #007700">{<br />&nbsp;&nbsp;&nbsp;&nbsp;protected&nbsp;</span><span style="color: #0000BB">$inheritedProperty&nbsp;</span><span style="color: #007700">=&nbsp;</span><span style="color: #DD0000">'inheritedDefault'</span><span style="color: #007700">;<br />}<br /><br />class&nbsp;</span><span style="color: #0000BB">Foo&nbsp;</span><span style="color: #007700">extends&nbsp;</span><span style="color: #0000BB">Bar&nbsp;</span><span style="color: #007700">{<br />&nbsp;&nbsp;&nbsp;&nbsp;public&nbsp;</span><span style="color: #0000BB">$property&nbsp;</span><span style="color: #007700">=&nbsp;</span><span style="color: #DD0000">'propertyDefault'</span><span style="color: #007700">;<br />&nbsp;&nbsp;&nbsp;&nbsp;private&nbsp;</span><span style="color: #0000BB">$privateProperty&nbsp;</span><span style="color: #007700">=&nbsp;</span><span style="color: #DD0000">'privatePropertyDefault'</span><span style="color: #007700">;<br />&nbsp;&nbsp;&nbsp;&nbsp;public&nbsp;static&nbsp;</span><span style="color: #0000BB">$staticProperty&nbsp;</span><span style="color: #007700">=&nbsp;</span><span style="color: #DD0000">'staticProperty'</span><span style="color: #007700">;<br />&nbsp;&nbsp;&nbsp;&nbsp;public&nbsp;</span><span style="color: #0000BB">$defaultlessProperty</span><span style="color: #007700">;<br />}<br /><br /></span><span style="color: #0000BB">$reflectionClass&nbsp;</span><span style="color: #007700">=&nbsp;new&nbsp;</span><span style="color: #0000BB">ReflectionClass</span><span style="color: #007700">(</span><span style="color: #DD0000">'Foo'</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">var_dump</span><span style="color: #007700">(</span><span style="color: #0000BB">$reflectionClass</span><span style="color: #007700">-&gt;</span><span style="color: #0000BB">getDefaultProperties</span><span style="color: #007700">());<br /></span><span style="color: #0000BB">?&gt;</span>
</span>
</code></div>
    </div>

    <div class="example-contents"><p>以上例程会输出：</p></div>
    <div class="example-contents screen">
<div class="cdata"><pre>
array(5) {
   [&quot;staticProperty&quot;]=&gt;
   string(14) &quot;staticProperty&quot;
   [&quot;property&quot;]=&gt;
   string(15) &quot;propertyDefault&quot;
   [&quot;privateProperty&quot;]=&gt;
   string(22) &quot;privatePropertyDefault&quot;
   [&quot;defaultlessProperty&quot;]=&gt;
   NULL
   [&quot;inheritedProperty&quot;]=&gt;
   string(16) &quot;inheritedDefault&quot;
}
</pre></div>
    </div>
   </div>
  </p>
 </div>


 <div class="refsect1 seealso" id="refsect1-reflectionclass.getdefaultproperties-seealso">
  <h3 class="title">参见</h3>
  <p class="para">
   <ul class="simplelist">
    <li class="member"><span class="methodname"><a href="reflectionclass.getproperties.html" class="methodname" rel="rdfs-seeAlso">ReflectionClass::getProperties()</a> - 获取属性</span></li>
    <li class="member"><span class="methodname"><a href="reflectionclass.getstaticproperties.html" class="methodname" rel="rdfs-seeAlso">ReflectionClass::getStaticProperties()</a> - 获取静态（static）属性</span></li>
    <li class="member"><span class="methodname"><a href="reflectionclass.getproperty.html" class="methodname" rel="rdfs-seeAlso">ReflectionClass::getProperty()</a> - 获取类的一个属性的 ReflectionProperty</span></li>
   </ul>
  </p>
 </div>


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